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This commit is contained in:
Thomas Harte 2023-11-20 15:11:22 -05:00
parent abf0eead7a
commit 18ddc2c83a
1 changed files with 16 additions and 6 deletions
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22
Machines/PCCompatible/PCCompatible.cpp
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@ -25,6 +25,17 @@
namespace PCCompatible { namespace PCCompatible {
class PIC { class PIC {
public:
template <int address>
void write(uint8_t value) {
printf("PIC: %02x to %d\n", value, address);
}
template <int address>
uint8_t read() {
printf("PIC: %read from %d\n", address);
return 0;
}
}; };
class i8255PortHandler : public Intel::i8255::PortHandler { class i8255PortHandler : public Intel::i8255::PortHandler {
@ -603,12 +614,8 @@ class IO {
case 0x000d: dma_.master_reset(); break; case 0x000d: dma_.master_reset(); break;
case 0x000e: dma_.mask_reset(); break; case 0x000e: dma_.mask_reset(); break;
case 0x0020: case 0x0021: case 0x0022: case 0x0023: case 0x0020: pic_.write<0>(value); break;
case 0x0024: case 0x0025: case 0x0026: case 0x0027: case 0x0021: pic_.write<1>(value); break;
case 0x0028: case 0x0029: case 0x002a: case 0x002b:
case 0x002c: case 0x002d: case 0x002e: case 0x002f:
printf("TODO: PIC write of %02x at %04x\n", value, port);
break;
case 0x0060: case 0x0061: case 0x0062: case 0x0063: case 0x0060: case 0x0061: case 0x0062: case 0x0063:
case 0x0064: case 0x0065: case 0x0066: case 0x0067: case 0x0064: case 0x0065: case 0x0066: case 0x0067:
@ -659,6 +666,9 @@ class IO {
case 0x0006: return dma_.read<6>(); case 0x0006: return dma_.read<6>();
case 0x0007: return dma_.read<7>(); case 0x0007: return dma_.read<7>();
case 0x0020: return pic_.read<0>();
case 0x0021: return pic_.read<1>();
case 0x0040: return pit_.read<0>(); case 0x0040: return pit_.read<0>();
case 0x0041: return pit_.read<1>(); case 0x0041: return pit_.read<1>();
case 0x0042: return pit_.read<2>(); case 0x0042: return pit_.read<2>();